Volleyball Boys: Traveling Through Little Giants to Cultivate Little Giants

[Volleyball boy fanfic + dual identity + a little bit of system development + making up for regrets] He is Uuchi Tenma, the former Little Giant of Karasuno, the current devil assistant of Odai, and a part-time cartoonist. Holding the [Omniscient System] in his hand, he can see everyone's potential. Faced with doubts: "Can I play volleyball at this height?" His backhand was a god-level catch: "Look, this is the essence of volleyball!" First, after winning the championship at Oudai, he hid his merit and fame, turned around and went to Miyagi to fall in love, and took over Karasuno by the way. Hinata: "Mr. Uuchi is my sun!" Kageyama: "He is the most terrifying coach!" Saeko: "Tenma is the most reliable lover!" After leading Odai to win the championship, and later leading Karasuno to dominate the world. In this life, the little giant is no longer a legend, but a real and eternal throne!